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Svet_ta [14]
4 years ago
6

What is the difference? X/x2+3x+2 - 1/(X+ 2)(x+1)

Mathematics
1 answer:
Anarel [89]4 years ago
5 0

Answer:

D

Step-by-step explanation:

\[\frac{x}{x^{2} +3x+2} -\frac{1}{(x+2)(x+1)} =\frac{x}{x^2+3x+2} -\frac{1}{x(x+1)+2(x+1)} =\frac{x}{x^{2}+3x+2 } -\frac{1}{x^{2} +2x+x+2} =\frac{x}{x^{2} +3x+2} -\frac{1}{x^{2} +3x+2} =\frac{x-1}{x^{2} +3x+2} \]

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What is the volume of the figure below if a = 9 units and b = 7 units?
kirill115 [55]
If the figure is a cylinder, the volume is about <span>452.39.  I hope I helped!</span>
3 0
4 years ago
Question 16 (5 points)<br> If 3a-9=6, what is the value of 5a + 2?<br> O<br> 027<br> 025<br> O<br> 1
Lyrx [107]

Answer:

27

Step-by-step explanation:

First solve 3a - 9= 6

3a - 9 = 6 add 9

3a = 15 divide by 3

a = 5

Now that you know a is 5, put that in the other expression.

5a + 2

= 5(5) + 2

= 25 + 2

= 27

7 0
2 years ago
How would I solve this. <br> If you answer I will give brainliest.
kobusy [5.1K]

Answer:

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Step-by-step explanation:

The chord- chord angle QPR is half the sum of the arcs intercepted by the angle and its vertical angle, then

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5 0
3 years ago
Show how you got y answers
trasher [3.6K]

Answer:

y = x - 3

Step-by-step explanation:

3x - 3y = 9

3x - 9 = 3y

x - 3 = y

y = x - 3

Then plug and chug for y by entering the given x values

3 0
3 years ago
Determine the arc length in radians.... need major help please!!!
In-s [12.5K]

If you're supposed to find the measure of the arc:

The minor arc CD has the same measure as the central angle it subtends. In this case, arc CD has measure 50º. In radians, that's

50º * (π/180 rad/º) = 5π/18 rad

If you instead meant to ask about finding the length of the arc CD, recall that arc lengths and their subtended central angles occur in a fixed ratio equal to the ratio of the circle's total circumference to 2π rad. In other words, if <em>L</em> is the length of the minor arc CD, then

<em>L</em> /(5π/18 rad) = 2π (7 cm) / (2π rad)

==>  <em>L</em> = 35π/18 cm

(Notice that arc measure is given radians, while arc length is given in cm, which is why I offer two different answers here.)

8 0
4 years ago
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